/*
 * Copyright (c) 2008-2024, Hazelcast, Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.hazelcast.client.impl;

/**
 * Server-side service that provides updates to Clients in regard to
 * last known CP group information, in particular CP leadership
 * information which is used to route operations directly to leaders.
 * <p>
 * Provided as an interface due to Hazelcast OS not providing CP
 * membership information.
 */
public interface CPGroupViewListenerService {

    void onGroupViewChange();

    void registerListener(ClientEndpoint clientEndpoint, long correlationId);

    void deregisterListener(ClientEndpoint clientEndpoint);
}
